微信は学習ノートの呼び出しcomを支払う.github.binarywang.wxpay.サービスインタフェース

        /**
	 *       ip
	 * @param httpservletrequest
	 * @return
	 */
	public static String getClientIP(HttpServletRequest httpservletrequest) {
	    if (httpservletrequest == null)
	        return null;
	    String s = httpservletrequest.getHeader("X-Forwarded-For");
	    if (s == null || s.length() == 0 || "unknown".equalsIgnoreCase(s))
	        s = httpservletrequest.getHeader("Proxy-Client-IP");
	    if (s == null || s.length() == 0 || "unknown".equalsIgnoreCase(s))
	        s = httpservletrequest.getHeader("WL-Proxy-Client-IP");
	    if (s == null || s.length() == 0 || "unknown".equalsIgnoreCase(s))
	        s = httpservletrequest.getHeader("HTTP_CLIENT_IP");
	    if (s == null || s.length() == 0 || "unknown".equalsIgnoreCase(s))
	        s = httpservletrequest.getHeader("HTTP_X_FORWARDED_FOR");
	    if (s == null || s.length() == 0 || "unknown".equalsIgnoreCase(s))
	        s = httpservletrequest.getRemoteAddr();
	    return s;
	}

    public WxPayUnifiedOrderRequest toPayInfo(String clientIp) {
        WxPayUnifiedOrderRequest request = new WxPayUnifiedOrderRequest();
        request.setDeviceInfo("WEB");//   
        request.setBody(this.getProductName());//    
        request.setOutTradeNo(this.getOrderNo());//     
        request.setDetail(this.getProductName());//    
        request.setTotalFee(this.getPrice());//   |  
        request.setSpbillCreateIp(clientIp);//  IP
        request.setNotifyUrl(this.getNotifyUrl());//      
        request.setTradeType("JSAPI");//    
        request.setProductId(this.getProductId().toString());//  id
        request.setOpenid(this.getOpenId());
        return request;
    }

  /**
   *         ，             .
   *
   * @param         {@link com.github.binarywang.wxpay.bean.order}    
   * @param request         
   * @return    {@link com.github.binarywang.wxpay.bean.order}      
   * @throws WxPayException the wx pay exception
   */
   T createOrder(WxPayUnifiedOrderRequest request) throws WxPayException;

//      request   ，    ，    
WxPayMpOrderResult result = payService.createOrder(wxPayUnifiedOrderRequest);

WxPayOrderNotifyResult parseOrderNotifyResult(String xmlData) throws WxPayException;